Shower head



FIG. 1 is a top perspective view of a shower head showing my design;

FIG. 2 is a front elevational view thereof, the rear elevational view being a mirror image thereof;

FIG. 3 is a right side elevational view, the left side elevational view being a mirror image thereof; and,

FIG. 4 is a bottom plan view thereof.

The broken line showing is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a shower head, as shown and described. 